![furnace - How to route/replace HVAC plenum/trunk lines through a poorly designed foundation wall hole with a gas pipe in the way on the other side - Home Improvement Stack Exchange furnace - How to route/replace HVAC plenum/trunk lines through a poorly designed foundation wall hole with a gas pipe in the way on the other side - Home Improvement Stack Exchange](https://i.stack.imgur.com/jbdYM.png)
furnace - How to route/replace HVAC plenum/trunk lines through a poorly designed foundation wall hole with a gas pipe in the way on the other side - Home Improvement Stack Exchange
![New install contract. Says new return plenum, but they reused old return plenum. Supply plenum is new. Would I be able to dispute this or is this expected? : r/hvacadvice New install contract. Says new return plenum, but they reused old return plenum. Supply plenum is new. Would I be able to dispute this or is this expected? : r/hvacadvice](https://i.redd.it/rnap6qx0bfr91.jpg)
New install contract. Says new return plenum, but they reused old return plenum. Supply plenum is new. Would I be able to dispute this or is this expected? : r/hvacadvice
![HVAC Plenum Ceiling Box 8X 8 X 6 (8"X8" Square to 6" Round) with Drywall Flange - Connects to Vent Register Diffuser, Galvanized Steel Metal C-Box Duct, Airflow Conditioning Ceiling Registers - HVAC Plenum Ceiling Box 8X 8 X 6 (8"X8" Square to 6" Round) with Drywall Flange - Connects to Vent Register Diffuser, Galvanized Steel Metal C-Box Duct, Airflow Conditioning Ceiling Registers -](https://m.media-amazon.com/images/I/61ZMvZPUKHS.jpg)
HVAC Plenum Ceiling Box 8X 8 X 6 (8"X8" Square to 6" Round) with Drywall Flange - Connects to Vent Register Diffuser, Galvanized Steel Metal C-Box Duct, Airflow Conditioning Ceiling Registers -
![Replace or Duct Work in the House per drop (Flex, Grill, Plenum, Collar, Main Trunk) - Florida Best Air Conditioning Replace or Duct Work in the House per drop (Flex, Grill, Plenum, Collar, Main Trunk) - Florida Best Air Conditioning](https://floridabestac.com/wp-content/uploads/2020/11/krrs-duct-.jpg)